Biblio

M. J. D. Graham y Collins, M. R., «Slow sand filtration : an international compilation of recent scientific and operational developments». American Water Works Association, Denver, CO, USA, p. xi, 322 p.: fig., tab., 1994.

M. J. D. Graham y Clarke, B. A., «Evaluation of fabric enhanced reduced depth slow sand filters : research scheme R4648 : [progress report]». University of Surrey, Department of Civil Engineering, Guildford, UK, p. 25 p.: 17 fig., ill., 1991.

M. J. D. Graham y Mbwette, T. S. A., «Protected slow sand filtration : specification of non-woven synthetic fabric layers», Water supply : the review journal of the International Water Supply Association, pp. p. 157-164: fig., tab., 1991.

M. J. D. Graham, Slow sand filtration : recent developments in water treatment technology. Chichester, UK: Ellis Horwood, 1988, p. ix, 412 p.: fig., tab.